node version - v18.16.0
npm version - 9.5.1
npm install
npm run test
npm run test:run
npm run create:bin
family-tree add person 'Amit Dhakad'
family-tree add person 'Priya Dhakad'
family-tree add person 'KK Dhakad'
family-tree add relationship 'father'
family-tree add relationship 'son'
family-tree connect 'Amit Dhakad' as son of 'KK Dhakad'
family-tree connect 'Priya Dhakad' as daughter of 'KK Dhakad'
family-tree count son of 'KK Dhakad'
# son of KK Dhakad: 1
family-tree count daughter of 'KK Dhakad'
# daughter of KK Dhakad: 1
family-tree father of 'Amit Dhakad'
# father of Amit Dhakad is KK Dhakad
family-tree father of 'Priya Dhakad'
# father of Priya Dhakad is KK Dhakad